247216921

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{6197}}^1$

素因数の和:6384

約数の個数: 16

約数和(自身を含む): 291553920

約数和(自身を除く): 44336999

約数列:

[1, 7, 41, 139, 287, 973, 5699, 6197, 39893, 43379, 254077, 861383, 1778539, 6029681, 35316703, 247216921]

約数ペア:

[(1, 247216921), (7, 35316703), (41, 6029681), (139, 1778539), (287, 861383), (973, 254077), (5699, 43379), (6197, 39893)]